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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_H_ | 5 #ifndef CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_H_ |
6 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_H_ | 6 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <map> | 9 #include <map> |
10 #include <utility> | 10 #include <utility> |
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45 | 45 |
46 // Detach all descendants of this subtree and push all of the node pointers, | 46 // Detach all descendants of this subtree and push all of the node pointers, |
47 // including this node, onto the end of |nodes|. | 47 // including this node, onto the end of |nodes|. |
48 virtual void DetachTree(std::vector<BrowserAccessibility*>* nodes); | 48 virtual void DetachTree(std::vector<BrowserAccessibility*>* nodes); |
49 | 49 |
50 // Perform platform specific initialization. This can be called multiple times | 50 // Perform platform specific initialization. This can be called multiple times |
51 // during the lifetime of this instance after the members of this base object | 51 // during the lifetime of this instance after the members of this base object |
52 // have been reset with new values from the renderer process. | 52 // have been reset with new values from the renderer process. |
53 virtual void Initialize(); | 53 virtual void Initialize(); |
54 | 54 |
55 // Optionally send events triggered simply by the fact that this node | |
56 // has been created or modified (and has been attached to the tree). | |
57 // This can include "show" events, "text changed" events in live regions, | |
58 // or "alert" events. | |
59 virtual void SendNodeUpdateEvents() {} | |
60 | |
55 // Initialize this object, reading attributes from |src|. Does not | 61 // Initialize this object, reading attributes from |src|. Does not |
56 // recurse into children of |src| and build the whole subtree. | 62 // recurse into children of |src| and build the whole subtree. |
57 void Initialize(BrowserAccessibilityManager* manager, | 63 void Initialize(BrowserAccessibilityManager* manager, |
58 BrowserAccessibility* parent, | 64 BrowserAccessibility* parent, |
59 int32 child_id, | 65 int32 child_id, |
60 int32 index_in_parent, | 66 int32 index_in_parent, |
61 const WebAccessibility& src); | 67 const WebAccessibility& src); |
62 | 68 |
63 // Add a child of this object. | 69 // Add a child of this object. |
64 void AddChild(BrowserAccessibility* child); | 70 void AddChild(BrowserAccessibility* child); |
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132 const std::map<WebAccessibility::StringAttribute, string16>& | 138 const std::map<WebAccessibility::StringAttribute, string16>& |
133 string_attributes() const { | 139 string_attributes() const { |
134 return string_attributes_; | 140 return string_attributes_; |
135 } | 141 } |
136 | 142 |
137 const std::map<WebAccessibility::IntAttribute, int32>& | 143 const std::map<WebAccessibility::IntAttribute, int32>& |
138 int_attributes() const { | 144 int_attributes() const { |
139 return int_attributes_; | 145 return int_attributes_; |
140 } | 146 } |
141 | 147 |
148 const std::map<WebAccessibility::FloatAttribute, float>& | |
149 float_attributes() const { | |
David Tseng
2011/08/26 16:14:37
Indent? (and below).
dmazzoni
2011/08/29 18:08:51
I think this may have been correct, but as a bette
| |
150 return float_attributes_; | |
151 } | |
152 | |
153 const std::map<WebAccessibility::BoolAttribute, bool>& | |
154 bool_attributes() const { | |
155 return bool_attributes_; | |
156 } | |
157 | |
142 int32 child_id() const { return child_id_; } | 158 int32 child_id() const { return child_id_; } |
143 const std::vector<BrowserAccessibility*>& children() const { | 159 const std::vector<BrowserAccessibility*>& children() const { |
144 return children_; | 160 return children_; |
145 } | 161 } |
146 const std::vector<std::pair<string16, string16> >& html_attributes() const { | 162 const std::vector<std::pair<string16, string16> >& html_attributes() const { |
147 return html_attributes_; | 163 return html_attributes_; |
148 } | 164 } |
149 int32 index_in_parent() const { return index_in_parent_; } | 165 int32 index_in_parent() const { return index_in_parent_; } |
150 const std::vector<int32>& indirect_child_ids() const { | 166 const std::vector<int32>& indirect_child_ids() const { |
151 return indirect_child_ids_; | 167 return indirect_child_ids_; |
152 } | 168 } |
153 const std::vector<int32>& line_breaks() const { | 169 const std::vector<int32>& line_breaks() const { |
154 return line_breaks_; | 170 return line_breaks_; |
155 } | 171 } |
156 const std::vector<int32>& cell_ids() const { | 172 const std::vector<int32>& cell_ids() const { |
157 return cell_ids_; | 173 return cell_ids_; |
158 } | 174 } |
175 const std::vector<int32>& unique_cell_ids() const { | |
176 return unique_cell_ids_; | |
177 } | |
159 gfx::Rect location() const { return location_; } | 178 gfx::Rect location() const { return location_; } |
160 BrowserAccessibilityManager* manager() const { return manager_; } | 179 BrowserAccessibilityManager* manager() const { return manager_; } |
161 const string16& name() const { return name_; } | 180 const string16& name() const { return name_; } |
162 int32 renderer_id() const { return renderer_id_; } | 181 int32 renderer_id() const { return renderer_id_; } |
163 int32 role() const { return role_; } | 182 int32 role() const { return role_; } |
164 const string16& role_name() const { return role_name_; } | 183 const string16& role_name() const { return role_name_; } |
165 int32 state() const { return state_; } | 184 int32 state() const { return state_; } |
166 const string16& value() const { return value_; } | 185 const string16& value() const { return value_; } |
167 bool instance_active() const { return instance_active_; } | 186 bool instance_active() const { return instance_active_; } |
168 int32 ref_count() const { return ref_count_; } | 187 int32 ref_count() const { return ref_count_; } |
169 | 188 |
170 #if defined(OS_MACOSX) && __OBJC__ | 189 #if defined(OS_MACOSX) && __OBJC__ |
171 BrowserAccessibilityCocoa* toBrowserAccessibilityCocoa(); | 190 BrowserAccessibilityCocoa* toBrowserAccessibilityCocoa(); |
172 #elif defined(OS_WIN) | 191 #elif defined(OS_WIN) |
173 BrowserAccessibilityWin* toBrowserAccessibilityWin(); | 192 BrowserAccessibilityWin* toBrowserAccessibilityWin(); |
174 #endif | 193 #endif |
175 | 194 |
176 // Retrieve the value of a string attribute from the attribute map and | 195 // Retrieve the value of a string attribute from the attribute map and |
177 // returns true if found. | 196 // returns true if found. |
178 bool GetStringAttribute(WebAccessibility::StringAttribute attribute, | 197 bool GetStringAttribute(WebAccessibility::StringAttribute attribute, |
179 string16* value); | 198 string16* value); |
180 | 199 |
181 // Retrieve the value of an integer attribute from the integer attribute | 200 // Retrieve the value of an integer attribute from the integer attribute |
182 // map and returns true if found. | 201 // map and returns true if found. |
183 bool GetIntAttribute(WebAccessibility::IntAttribute attribute, int* value); | 202 bool GetIntAttribute(WebAccessibility::IntAttribute attribute, int* value); |
184 | 203 |
204 // Retrieve the value of a float attribute from the float attribute | |
205 // map and returns true if found. | |
206 bool GetFloatAttribute(WebAccessibility::FloatAttribute attr, float* value); | |
207 | |
208 // Retrieve the value of a bool attribute from the bool attribute | |
209 // map and returns true if found. | |
210 bool GetBoolAttribute(WebAccessibility::BoolAttribute attr, bool* value); | |
211 | |
212 // Retrieve the value of a html attribute from the attribute map and | |
213 // returns true if found. | |
214 bool GetHtmlAttribute(const char* attr, string16* value); | |
215 | |
216 // Returns true if this node is an editable text field of any kind. | |
217 bool IsEditableText(); | |
218 | |
185 protected: | 219 protected: |
186 BrowserAccessibility(); | 220 BrowserAccessibility(); |
187 | 221 |
188 // The manager of this tree of accessibility objects; needed for | 222 // The manager of this tree of accessibility objects; needed for |
189 // global operations like focus tracking. | 223 // global operations like focus tracking. |
190 BrowserAccessibilityManager* manager_; | 224 BrowserAccessibilityManager* manager_; |
191 | 225 |
192 // The parent of this object, may be NULL if we're the root object. | 226 // The parent of this object, may be NULL if we're the root object. |
193 BrowserAccessibility* parent_; | 227 BrowserAccessibility* parent_; |
194 | 228 |
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205 std::vector<BrowserAccessibility*> children_; | 239 std::vector<BrowserAccessibility*> children_; |
206 | 240 |
207 // The number of internal references to this object. | 241 // The number of internal references to this object. |
208 int32 ref_count_; | 242 int32 ref_count_; |
209 | 243 |
210 // Accessibility metadata from the renderer | 244 // Accessibility metadata from the renderer |
211 string16 name_; | 245 string16 name_; |
212 string16 value_; | 246 string16 value_; |
213 std::map<WebAccessibility::StringAttribute, string16> string_attributes_; | 247 std::map<WebAccessibility::StringAttribute, string16> string_attributes_; |
214 std::map<WebAccessibility::IntAttribute, int32> int_attributes_; | 248 std::map<WebAccessibility::IntAttribute, int32> int_attributes_; |
249 std::map<WebAccessibility::FloatAttribute, float> float_attributes_; | |
250 std::map<WebAccessibility::BoolAttribute, bool> bool_attributes_; | |
215 std::vector<std::pair<string16, string16> > html_attributes_; | 251 std::vector<std::pair<string16, string16> > html_attributes_; |
216 int32 role_; | 252 int32 role_; |
217 int32 state_; | 253 int32 state_; |
218 string16 role_name_; | 254 string16 role_name_; |
219 gfx::Rect location_; | 255 gfx::Rect location_; |
220 std::vector<int32> indirect_child_ids_; | 256 std::vector<int32> indirect_child_ids_; |
221 std::vector<int32> line_breaks_; | 257 std::vector<int32> line_breaks_; |
222 std::vector<int32> cell_ids_; | 258 std::vector<int32> cell_ids_; |
259 std::vector<int32> unique_cell_ids_; | |
223 | 260 |
224 // BrowserAccessibility objects are reference-counted on some platforms. | 261 // BrowserAccessibility objects are reference-counted on some platforms. |
225 // When we're done with this object and it's removed from our accessibility | 262 // When we're done with this object and it's removed from our accessibility |
226 // tree, a client may still be holding onto a pointer to this object, so | 263 // tree, a client may still be holding onto a pointer to this object, so |
227 // we mark it as inactive so that calls to any of this object's methods | 264 // we mark it as inactive so that calls to any of this object's methods |
228 // immediately return failure. | 265 // immediately return failure. |
229 bool instance_active_; | 266 bool instance_active_; |
230 | 267 |
231 private: | 268 private: |
232 DISALLOW_COPY_AND_ASSIGN(BrowserAccessibility); | 269 DISALLOW_COPY_AND_ASSIGN(BrowserAccessibility); |
233 }; | 270 }; |
234 | 271 |
235 #endif // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_H_ | 272 #endif // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_H_ |
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